Usually referred to as a signal blocker, blocking mobile phone signals is the most basic function. Mobile phone signals refer to all 2G/3G/4G/5G signals of the three major domestic operators, and both voice and data (Internet access) are blocked at the same time. In addition to blocking mobile phone signals, what signals can a signal blocker block?

The most common are: WIFI2.4 frequency band (WLAN/Bluetooth) and WIFI5.8G frequency band of wireless network, VHF/UHF low frequency frequency band (135MHz/433MHz remote control, 410MHz/470MHz walkie-talkie), 1500MHz GPS-L1 civil navigation and positioning frequency Wait.

Portable High Power Box-Type Drone Jammer Interception System

There are also some special customized frequency bands, such as: GPS-L2 and wireless video frequency band of 1050-1260MHz frequency band, 500-800MHz video frequency band, 20-100MHz low frequency remote control and FM radio and so on.